Karcher K 7.85 M User Manual
Operating Instructions
PRESSURE WASHER
K 7.85 M
PLEASE READ THIS LEAFLET CAREFULLY
BEFORE OPERATING YOUR MACHINE
5.962-164.0 (08-07)
THANK YOU FOR PURCHASING A KARCHER
PRESSURE WASHER
PLEASE READ THIS LEAFLET CAREFULLY
BEFORE OPERATING YOUR MACHINE.
WHAT IS A PRESSURE WASHER?
A Pressure Washer is essentially a powerful electric motor driving a set
of pistons that force water through a small nozzle, thus creating a
pressurised jet of water. This provides the cleaning power behind the
Karcher Pressure Washer.
A Karcher Pressure Washer can be used for an endless list of applications
around the home and garden. It provides an efficient, economical and
labour saving way of cleaning with excellent results.
All Karcher domestic pressure washers are designed to run from a
suitable cold water supply although some models will accept a water inlet
temperature of between 40 °C and 60 °C.
Environmental Comment - Save water with high pressure.
The Karcher Pressure Washer is environmentally friendly enabling you
to reduce your water consumption compared to a normal garden hose.
A definite advantage with a metered water supply
OR
with the added benefit of suction mode, water can be drawn from an
open container such as a water butt.
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INDEX
1. APPLICATIONS
2. SAFETY INSTRUCTIONS
3. GETTING STARTED
3.1 Contents
3.2 Assembly
3.3 Water Connection
3.4 Electrical Connection
3.5 Suction Mode
3.6 Detergent
4. OPERATING YOUR PRESSURE WASHER
4.1 High Pressure Operation
4.2 Low Pressure Operation Without Brush
4.3 Low Pressure Operation With Brush
4.4 End Of Operation
4.5 Storage
5. IMPORTANT – CARE AND MAINTENANCE
6. ACCESSORIES / SPARE PARTS
7. PROBLEM CHECKLIST / TROUBLESHOOTING
8. HELP-LINE
9. TECHNICAL DATA
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1. APPLICATIONS
The main applications for this product are DOMESTIC
cleaning tasks:
• Cars, motorbikes, caravans, boats and bicycles
• Patio’s, fences, garden walls, pathways, driveways and house
facades – particularly useful for cleaning block driveways
• Removal of algae and moss from roofs, brickwork and
guttering
• Garden tools and machinery, furniture and barbecues
• Hygienic cleaning of animal pens and their surroundings
With the addition of Karcher accessories, the list
continues .............
• Clearing blocked drains and pipes
• Removal of old paint and rust from garden furniture and gates
• Spraying insecticide onto trees, plants and lawns
High pressure hose
The high pressure hose is specially constructed with reinforced
walls to handle water pressure up to 16 MPa (2400 psi) - it is easily damaged and should be stored carefully.
- Do not kink.
- Do not drive vehicles over the hose.
- Do not expose the hose to sharp edges or corners.
Misuse will lead to ballooning or premature failure and will invalidate warranty.
BEFORE STARTING UP YOUR PRESSURE WASHER PLEASE
CHECK YOU HAVE THE FOLLOWING:
We recommend you purchase these items from a reputable store.
• RCD plug and socket that will interrupt electrical supply in an
emergency.
• A typical garden hose (minimum length 7.5 metres) with suitable
hose connection (Hoselock/Gardena type) to match the coupling
on the machine (hose and connector not supplied).
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2. SAFETY INSTRUCTIONS
Electrical Connection
Never use defect connection or extension lines! If the connection line
is damaged, it must be replaced with a special connection line that is
available from the manufacturer or his customer service.
Please make sure that the connection or extension lines are not
damaged by being ran over, pulled or dragged. Protect the
connection lines from heat, oil, and sharp edges.
Never touch the mains plug and the socket with wet hands.
The connection between connection line and extension line must not
lie in the water.
All current-carrying components within the working area must be
jet-proof.
The appliance may only be connected to an electrical connection that
was performed by an electrician according to IEC 60364.
Only connect the appliance to alternating current. The voltage must
comply with the voltage specified on the typeplate.
To avoid electric accidents, we recommend to use sockets with a
series connected residual current operated device (rated breaking
current max. 30 mA).
Warning: Inappropriate extension lines may be dangerous. If you
work outside, only use extension lines that are approved and specifically labelled and provide of a sufficient conductor cross section:
1 to 10 m: 1.5 mm² 10 to 30 m: 2.5 mm²
The plug and the coupling of an extension line must be waterproof.
Always unwind the extension line completely from the cable drum.
The maximum tolerable mains impedance at the electrical contact
point (see Technical Data) must not be exceeded.
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Safety Instructions
The operation of the device in hazardous locations is not admissible.
Please comply with the corresponding safety instructions if you use
the appliance in danger areas (e.g. filling stations).
Do not turn on the appliance if the power supply line or important
components of the appliance, such as safety components, highpressure hoses, spray jet, are damaged.
Warning: High-pressure hoses, fittings, and couplings are of
importance for the appliance safety. Only use high-pressure hoses,
fittings, and couplings recommended by the manufacturer.
The appliance is not intended for use by young children or infirm
persons without supervision.
Young children should be supervised to ensure that they do not play
with the appliance.
The operator must use the appliance properly. He must take the local
conditions into consideration and must pay attention to third persons,
in particular children, while working with the appliance.
Warning: Do not use the appliance if third persons are within the
reach of the appliance unless such persons wear protective clothes.
Warning: High-pressure jets may be dangerous if they are used
improperly.
The jet must not be directed at people, animals, active electrical
equipment, or the appliance itself.
Never direct the jet at yourself or third persons to clean clothes or
shoes.
Never use the appliance to spray objects containing hazardous
substances (e.g. asbestos).
Warning: Vehicle tyres/tyre valves may be damaged and burst by
the high-pressure jet. A first sign is the discoloration of the tyre.
Damaged vehicle tyres/tyre valves are hazardous. Always perform
the cleaning with a minimum distance of 30 cm.
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Cleaning operations during which oil saturated waste water is
generated, such as engine cleaning and underbody cleaning, may
only be performed in cleaning locations that are equipped with an oil
separator.
If you clean varnished surfaces, please respect a minimum distance
of 30 cm to avoid damages.
Never take in solvent-containing liquids or undiluted acids and
solvents! These include, for example, benzene, paint thinner, or
heating oil. The spray is highly inflammable, explosive, and toxic. Do
not use acetone, undiluted acids, and solvents as they affect the
materials used on the appliance.
If required, wear appropriate protective clothes and glasses to protect
yourself from return spray.
Never leave the appliance unattended as long as it turned on.
Warning: This appliance has been developed for the use of
detergents that are supplied or recommended by the manufacturer.
The use of other detergents or chemicals may affect the safety of
the appliance.
Environmental protection
Disposal of the packaging
The packaging material can be recycled. Please do not
place the packaging into the ordinary refuse for disposal,
but arrange for the proper recycling.
Disposal of the old appliance
Old appliances contain valuable materials that can be
recycled. Please arrange for the proper recycling of old
appliances. Batteries, oil, and similar substances must
ünot enter the environment. Please dispose of your old
appliances using appropriate collection systems.
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3. GETTING STARTED
3.1 Contents
Upon opening the carton, if you do not have all the items as detailed
please contact the Customer Helpline.
1 Drawing bar
2a Detergent Tank 1
2b Detergent Tank 2
2c Detergent Dosing Valve
3 Spray gun storage clip
4 Power Switch (On/Off)
5 High Pressure Hose Reel
6 Inlet Water Connection
7 Hosepipe Connector
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8 High Pressure Hose
9 Spray Lance with Pressure Regulator
(Vario Power)
10 Wash Brush
11 Safety Lock Device
12 Spray Gun
13 Accessory compartment
14 Mains Electric Lead with Plug
15 Mains Lead Storage
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